<template>
  <div class="cc-border-box-9 col" :ref="ref">
    <svg class="cc-border-svg-container" :width="width" :height="height">
      <defs>
        <linearGradient :id="gradientId" x1="0%" y1="0%" x2="100%" y2="100%">
          <animate
            attributeName="x1"
            values="0%;100%;0%"
            dur="10s"
            begin="0s"
            repeatCount="indefinite"
          />

          <animate
            attributeName="x2"
            values="100%;0%;100%"
            dur="10s"
            begin="0s"
            repeatCount="indefinite"
          />

          <stop offset="0%" :stop-color="mergedColor[0]">
            <animate
              attributeName="stop-color"
              :values="`${mergedColor[0]};${mergedColor[1]};${mergedColor[0]}`"
              dur="10s"
              begin="0s"
              repeatCount="indefinite"
            />
          </stop>
          <stop offset="100%" :stop-color="mergedColor[1]">
            <animate
              attributeName="stop-color"
              :values="`${mergedColor[1]};${mergedColor[0]};${mergedColor[1]}`"
              dur="10s"
              begin="0s"
              repeatCount="indefinite"
            />
          </stop>
        </linearGradient>

        <mask :id="maskId">
          <polyline
            stroke="#fff"
            stroke-width="3"
            fill="transparent"
            :points="`8, ${height * 0.4} 8, 3, ${width * 0.4 + 7}, 3`"
          />
          <polyline
            fill="#fff"
            :points="
              `8, ${height * 0.15} 8, 3, ${width * 0.1 + 7}, 3
              ${width * 0.1}, 8 14, 8 14, ${height * 0.15 - 7}
            `"
          />

          <polyline
            stroke="#fff"
            stroke-width="3"
            fill="transparent"
            :points="`${width * 0.5}, 3 ${width - 3}, 3, ${width - 3}, ${height * 0.25}`"
          />
          <polyline
            fill="#fff"
            :points="`
              ${width * 0.52}, 3 ${width * 0.58}, 3
              ${width * 0.58 - 7}, 9 ${width * 0.52 + 7}, 9
            `"
          />
          <polyline
            fill="#fff"
            :points="`
              ${width * 0.9}, 3 ${width - 3}, 3 ${width - 3}, ${height * 0.1}
              ${width - 9}, ${height * 0.1 - 7} ${width - 9}, 9 ${width * 0.9 + 7}, 9
            `"
          />

          <polyline
            stroke="#fff"
            stroke-width="3"
            fill="transparent"
            :points="`8, ${height * 0.5} 8, ${height - 3} ${width * 0.3 + 7}, ${height - 3}`"
          />
          <polyline
            fill="#fff"
            :points="`
              8, ${height * 0.55} 8, ${height * 0.7}
              2, ${height * 0.7 - 7} 2, ${height * 0.55 + 7}
            `"
          />

          <polyline
            stroke="#fff"
            stroke-width="3"
            fill="transparent"
            :points="`${width * 0.35}, ${height - 3} ${width - 3},
            ${height - 3} ${width - 3}, ${height * 0.35}`"
          />
          <polyline
            fill="#fff"
            :points="`
              ${width * 0.92}, ${height - 3} ${width - 3},
              ${height - 3} ${width - 3}, ${height * 0.8}
              ${width - 9}, ${height * 0.8 + 7} ${width - 9},
              ${height - 9} ${width * 0.92 + 7}, ${height - 9}
            `"
          />
        </mask>
      </defs>

      <polygon
        :fill="backgroundColor"
        :points="`
        15, 9 ${width * 0.1 + 1}, 9 ${width * 0.1 + 4}, 6 ${width * 0.52 + 2}, 6
        ${width * 0.52 + 6}, 10 ${width * 0.58 - 7}, 10 ${width * 0.58 - 2}, 6
        ${width * 0.9 + 2}, 6 ${width * 0.9 + 6}, 10 ${width - 10}, 10 ${width - 10},
        ${height * 0.1 - 6}
        ${width - 6}, ${height * 0.1 - 1} ${width - 6}, ${height * 0.8 + 1} ${width - 10},
         ${height * 0.8 + 6}
        ${width - 10}, ${height - 10} ${width * 0.92 + 7}, ${height - 10}  ${width * 0.92 + 2},
        ${height - 6}
        11, ${height - 6} 11, ${height * 0.15 - 2} 15, ${height * 0.15 - 7}
      `"
      />

      <rect
        x="0"
        y="0"
        :width="width"
        :height="height"
        :fill="`url(#${gradientId})`"
        :mask="`url(#${maskId})`"
      />
    </svg>

    <div class="border-box-content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import { BorderMixin } from 'boot/mixins/border';
import { uid } from 'quasar';

export default {
  mixins: [BorderMixin],
  name: 'CcBorderBox9',
  props: {
    color: {
      type: Array,
      default: () => ([]),
    },
    backgroundColor: {
      type: String,
      default: 'transparent',
    },
  },
  data() {
    const id = uid();
    return {
      ref: 'border-box-9',

      gradientId: `border-box-9-gradient-${id}`,
      maskId: `border-box-9-mask-${id}`,

      defaultColor: ['#11eefd', '#0078d2'],

      mergedColor: [],
    };
  },
};
</script>

<style lang="stylus">
.cc-border-box-9
  position relative
  .cc-border-svg-container
    position absolute
    width 100%
    height 100%
    left 0px
    top 0px
  .border-box-content
    position relative
    width 100%
    height 100%
</style>
